Jack for slugging and nailing machines.



No. 705,5l2. Patented July 22, |902.

` L. A. CAsGnAm. Y JACK FOR SLUGGING AND MAILING MACHINES.

` (Application led June 10, 1898.)

-(Ihn Model.)

UNITED STATESV PATENT OFFICE.

LOUIS A. CASGRAIN, OF WINCHESTER, MASSACHUSETTS, ASSIGNOR, BY MESN E ASSIGNMENTS, TO THE UNITED SHOE MACHINERY COMPANY, A CORPORATION OF NEW JERSEY.

JACK Fon sLueelNe AND NAILING MACHINES.

SPECIFICATION forming part of Letters Patent No. 705,512, dated-July 22, 1902.

Application iiled June 10, 1898. Serial No. 683,119. (No model.)

To all whom, it may concern:

Be itknown thatl, LoUIs A. CASGRAIN, of Winchester, county ofMiddleseX, State of Massachusetts, have invented an Improvement in Jacks for Slu'gging and Nailing Heels, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.

This invention is an improvement on the class of jack shown and described in an application, Serial No. 632,466, April 16, 1897. In that application the last-holding pin has a tipping movement in a vertical plane about a horizontal pivot; but herein the pin is mounted in a partial ball or sphere resting in a spherical seat, and so sustained the pin has a universal movement in every direction,

' and I have devised to cooperate with the pin 5o times they are not bored straight, and when locking means which locks the pin during each nailing operation in each position that the pin may assume, according to the requirements of the work on the pin and being nailed.

Figure 1 in side elevation represents a jack embodying my invention, a last and shoe being shown thereon in' dotted lines. Fig. 2 is a right-hand end view of the parts shown in Fig. 1, 4together with part of a nose or foot plate ofa slugging or nailing machine. Fig. 3 is a plan View below the dotted line of Fig. 4. Fig. 4` is a substantially vertical section in the dotted line ov', the pin and sphere being shown in elevation. Fig. 5 is a section in the line :1;2, Fig. 4. Fig. 6 is an under side view of a'toothed plate fixed inside the curb having the seat for the sphere. y Fig. 7 shows in two positions a spring held in position by the said toothed plate. Fig. 8 shows detached a toothed slide loosely connected with the lower end of the last-holding pin. Fig. 9 shows the toothed locking-plate, which is chieiiy instrumental in locking the pin in the position it may occupy when the nail is being driven; Fig. 10, a modification to be described. v

It willrbe understood that the'holes in the lasts upon which are mounted the shoes the heels of which are to be slugged are frequently very considerably Worn, and some- Aor nailing machine.

such a last is put on a stationary upright pin of a jack the heel to be slugged cannot be 'kept in the proper relation to the bot'toln'ot' the'nose or presser plate, so that the slug or nail can be properly driven therein at the desired angle.

By the use of the jack herein described the bottom of the sole may readily adapt itself to the usual nose or foot plate t of the slugging or nailingvmachine The split sleeve a', adapted to be clamped by a suitable screw a, is upon the upper end of the post of any` usual horn of a slugging to said sleeve, the stops a4 on said plate, the swing-plate b', having a slotted arm b, said swing-plate having rising from ita tubular hub b2, surrounded by a spring c, and the slot of the shank of the swing-plate embracing and sliding on a screw a5, are and may be all substantially such as shown in the application referred to, so need not be herein further described.

The tubular hub h2 receives in it the shank" d of a plate dx, having an attached curb d', herein shown as truncated at its upper end and provided with a spherical seat d2 and connected to said plate by a screw d4.

The lower end of the shank d has secured to it by a set-screw or otherwise a washer o1' upstop cl3, said upstop contacting with a suitable shoulder in the hub b2, due to the action of the spring c.

The plate dx, connected to or forming part of the shank d, has a hole which receives in it a lifting-stud e, sustained in a suitable hole in the hub b2. Y

The curb just above the plate dx receives in it loosely a toothed locking-plate e@ it hava series of parallelteeth or corrugations, and this plate has a notch e2, in which enters a pin or retaining -device e3, carried by thecurb, the pin restraining the rotation of the locking-plate, but permitting the curb to descend as the spring is depressed, Without, however, depressing the toothed locking-plate, it standing in its normal position due to the'fact that it rests upon the stud c, there being preferably two or more such studs arranged about the; hub b2, a second one of said studs being The plate a2, connected- IOO shown by dotted lines in Fig. 4. The curb has fixed to it by a suitable set-screw e4 a toothed plate e5, and said toothed plate, one face of which is shown in Fig. 6, has a notch e, which receives in it a lug or projection e7 of a spring e8, so that said spring is retained in fixed position with relation to said toothed plate. rlhe teeth of this toothed plate c, when the plate is applied in the curb, stand substantially at right angles to the direction of the run of the teeth ofthe toothed lockingplate e. Between the toothed locking-plate e and the toothed plate e5 I have arranged aslide-platef. (Shown in Fig. 4 and detached in Fig. 8.) This slide-plate has a central stud f', and its opposite faces are so toothed that the teeth at one side run in a direction substantially at right angles to the teeth at the other side, so that the teeth at the under side of the slide may be properly engaged with the teeth of the toothed locking-plate, while the upper side of the slide has teeth extended in the proper direction to be engaged bythe teeth of the toothed plate e5.

The last-holding pin g, constituting a tipable work-support, has an attached flange g2, and below the flange the pin is tapered to enter` a hole in a partial ball or sphere g, which may have a threaded extension g3 and be slotted at its lower end to embrace the pin f of the slide-platef. The ball or sphere enters the concaved seat d2 of the curb, and a nut g4, screwed on the threaded extension g3, acts against the convexed lower side g5 of the seat d2, said nut keeping the ball seated properly.

The partial ball or sphere g (see Fig. 5) is provided with an internal groove h, within which is placed a spring-clip 7L', and the shank of the pin g is provided with an annular groove, said spring-clip While resting in the groove h entering also partially the annular groove of the pin, so that said pin is maintained by said spring-clip 7L with said partial ball or sphere.

Fig. 4 of the drawings shows the spring c as having lifted the plate (ZX and curb, the toothed locking-plate e lying directly upon the top of the plate dx, and in such condition ofthe partsit may be assumed that alast may be applied to the pin g and that it may be tipped universally in any desired direction requisite to present the bottom of the sole at the desired or proper angle with relation to the nose-plate tof any usual slugging or nailing machine, according to the direction in which it is desired to drive the slugs or nails into the sole or the heel end of the sole, and the last and the pin having been brought into the desired position any upward movement of the horn will result in compressing the spring c and the substantial meeting of the plate d with the hub b2,- but during this relative movement of the parts the toothed locking-plate will not move; but the toothed plate e5, which moves coincidently with the curb, is made to approach the face of the toothed locking-plate e', which results in clamping firmly between the said toothed plate and the said toothed locking-plate the slide f, said slide being locked in the position in which it may have been left by the movement of the lower end of the partial ball or sphere in adapting it tothe required position for the last, and the pin g will be held fixedly in this position while the slug or nail is being driven.

It will be readily understood in the use of the apparatus hereinbefore described that the pin g may occupy any desired position preparatory to'driving each slug or nail and that during the driving operation the pin holding the last must remain ixedly in its proper position, thus insuring the proper driving of every slug or nail into the shoe.

By adjusting the nut g4 on the threaded part of the ball or sphere the friction of said nut and the ball or sphere with relation to the seat d2 may be regulated, so that a greater or less amount of strain Will be neef essary in manipulating the last-pin with the last upon it.

The spring es, acting against the inclined sides of the slide f, serves to maintain that slide in such position that its teeth at its opposite sides will stand substantially parallel with the teeth of the plates c and e5, with which the said slide coperates.

I believe myself to be the first to employa universally-tipable last-holding pin and hold the same in its adjusted position by a locking device of any construction whereby the last-holding pin, it having been put into po' l sition by or through the last preparatory to driving a slug or nail, will be kept locked at such point until after the said slug or nail has been driven. It will be obvious that substantially the same result would be obtained by making the last-pin g sufficiently long to extend through the partial ball or sphere, (see Fig. 10,) threading the lower part of said pin and slitting it at its extremity.

By providing the ball or sphere with a threaded shank it is possible to more easily and readily change the pin g when one of another diameter is desired, and so also it is beneficial in some cases to leave the last-pin g free to be rotated in the ball or sphere.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A universally-tipable last-holding pin,

'combined with ayielding support for said pin and locking means to hold said pin in any position in which it may be put by the requirements of the work, said locking means retaining said pin in locked position only while a slug or nail is being driven.

2. A universally-tipable last-holding pin, a support for the same, and locking means for said pin operative only when a slug or nail is being driven to lock said pin in the position it should occupy according to the requirements of the Work to be nailed.

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3. Ajack presenting a yielding curb, means to support and direct said curb in itsyielding movement, a tipable last-pin mounted in said curb loosely and'capable of adapting itself to the requirements of the last,and means acting during the yielding movement of said curb to lock the. last-pin in the position occupied byit when the work was put into the position required for nailing.

o 4. A yielding spring-supported curb having a cup-shaped seat, a last-pin presenting a spherical enlargement resting and movable in said seat, and a slide-plate with which said pin :is loosely connected, combined with a 5 toothed plate, and a toothed locking-plate between which said slide is located, change `in the position of the toothed plate and'toothed locking-plate confining the slide and last-pin in xed position. Y

o 5. A yielding spring-supported curb having a cup-shaped seat, a last-pin presenting a spherical enlargement resting and movable in said seat, and a slide-plate with which said pin is loosely connected, combined with a toothed plate, anda toothed locking-plate between which said slide is located, change in the position of the toothed plate and toothed locking-plate confining the slide and last-pin in fixed position, and a spring connected with `o said toothed plate and embracing the slide- .o on said pin and putting the sole in its proper position preparatory to driving a slug or nail.

7. In a jack, a last-holding pin provided with a partial ball or sphere, a curb having a seat for said ball orv sphere, anda movable y5 nut to keep the ball or sphere seated in said seat, substantially as described.

8. In a jack, a last-holding pin provided with a partial ball or sphere, a curb having a y seat for said ball or sphere, and a movable o nut to aid in keeping the ball or sphere seated in said seat, a slide made movable with said pin, and a toothed plate coperating with said slide, a relative change of position of said toothed plate and slide being effected prepara- 5 tory to driving a slug or nail, to thus lock said slide and pin in position temporarily, .substantially as described.

9. In a jack, a hub, a plate having a shank guided by said hub and provided with an ato -tached curb having a ball-seat, a spring to separate the plate carrying said curb and the said hub for a defined distance,a toothed locking-plate mounted loosely in said curb and sustained by suitable pins extended outwardlythrough thepplate carrying the curb, a toothed plate fixed in said curb, and a toothed slide mounted between said toothed locking-plate and said toothed plate, combined with alast-holding pin provided with la ball or lsphere entering said seat and actuthe said toothed plate, thereby effectually locking the last-holding pin temporarily in a dened position according to the requirements of the work, substantially as described.

11. A plate adapted to be sustained by a v horn-shank, a swing plate movable freely thereon and provided with a hub, a plate having a shank inserted in said huband provided With a curb having a concaved seat, a spring to normally keep said plate and curb in its elevated position, a last-pin having a ball-like or spherical portion mounted in said seat, means to retain said ball-like or spherical portion in said seat yet permit it to be moved freely therein, combined with locking means cooperating with the lower end of said pin to lock it whenever the relative positions of the said plate and its attached'curb are changed with relation to the said hub, to thereby temporarily lock the `last-holding pin in any desired position for the driving of a slug or nail, substantially as described.

12. The swing-plate, a support for it, a guided shank vertically movable with relation to said swing-plate, combined with a lastholding pin supported by and universally movable with relation to said shank, and means to lock said last-pin in any position in which it may be put, while a naill or slug is being driven, substantially as described.

13. A universally-tipable work-support and means to lock said work-support against tipping, said locking means being operative only when the work is under pressure.

14. A universally-tpable work-support and means to lock said work-support against tipping, said locking means being automatically operative when the work is under pressure;

In testimony whereof I have vsigned my name to this specification in the presence of two subscribing witnesses.

' LOUIS A. CASGRAIN.

Witnesses:

GEO. W. GREGORY, MARGARET A. DUNN.

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